Test Project Test Unit Value Standard Filtration Loss ml <18 ASTM D5891 Expansion Ratio ml/2g > 24 ASTM D5890 Dear Sir/Mr,How are you?Now our company just setup another factory in liaoningfor bentonite production. Our factory can produce below products now:Sodium bentoniteCalcium bentoniteorganobentonitecat litterThese products can be used for foundry, cat litter, pelletizing, Construction and ...